sears



W. H. SEARS.

FRICTION CLUTCH.

APPLICATION FILED MAR 20. 1914.

1,148,998. I Patent-ed Aug. 3, 1915.

' WAZu/U Witnesses Inventor I Attorneys bore 18 with which the shaft 3 is provided. said sleeve, said wheel provided with an lgpgm n unicateswith thesaid bore outlying huh housing the arms therein, an and 1%; 'tIif'ot-tle -yelvegflmby eheharm .meziiis of 5 valve is provided with the inlet pressure the wheel, and means for directing fluid supplying pipe 29 ah-d fheoutlet and ieir un'd'e'i:pressui iahehist said members to exhaust pipe 23 communicating therewith V oa nd thevarms intofrictional contact with The valve member 24 is provided-*Wi-th a; "tli'e liii-b. limited}; and curved duct leading there-j 2 An apparatus of the class described, 60

lathroug', ii m'a' ishfwhich. thehylifiders com rising a wheel slidably mounted 3011 a may bebrought into co munication :1 p d with an either the inlet or outlet pipes ormay-be standing hub with an internal frictional:

--l0sed=atherefauoln.' Athrottle handle 26Jis engageable surfece e 'sleeye rigidly mount-- moorideddiotthe suita le rmanip latiento fl'ed upnnrsaidu a i and wtPem N QB YYE 15?:the-Jvalvfi W u controls the upliceti v si sl leete mrpeid d-uith .eeexie' e g oov of ,;the1:ifri c.tiQnunembBI'S- 'lhe press r ,"z-expainsion" carried byig said lsleeye 1s1'ipp1'y,,=in; the-pipeJZZ- ,i -isufiicient'ato lock adaptedi toicomeeinto iorciblejcontactwith thev gear ,=rigidl ymto th shaft and bjrz suit' the. frictipnalg-engzggeable;,surfaeeglp sa d -:ab1emanipulation-;ofthemhrottle any.interwheel hub, .pppositely disposedt cylinders 70 2 Q-ImediaFtei result. be obtained from @the married. by ,said ,sleegve and; located-Within a? idle. 'mountingu-offithe; geam-upon thmshaft 5-: said groque; pistons disp osed within s aid ite-th locked position thereeiwlt; will-2.1.0 cyl nde s eu in ii gifl understood that the pressure suppl y pipew oif said arm nd-defining H al g -22 communicatesw'ith mpump and-thepresg' S taI1t/iajl r hegreespt'o ghee; ial I p sure openatingzmedi'iummey heii'n the-nature ;-t,he pqmt-gofiqconneetion,tlierebetxi'eengre- 1 00f a liquidi'sueh-gas, oili-eor-it mil/V be a-gas, silient meansgdap tedtoiiormally holdsa'id g uch as istairi- -on ,=,air.; {The medium 1 used larmsoutpjgeontact pyitll ith e said ui heelih ib awaill depend hugely upon the -use to, vhich .and means,,fou s pplying pressure to said ethef clutchi istoahe applied, it being. noted cylinders for the expansion of said arm 80 ao-rthat if 'ifi:1-iS .3 required thattheizgean is de- An apparatus;- of ithe-class; ;.described,

' gn i e-" h umhe Shaft,- & I.cemp is agia; rqtetabl i inumi h mem e gaseouewmedium iwill'i'he-used, "dueiito-lits a;- -1n 1 n mounted;,idlytherepn; a sleex'e & elasticityandzthe fact th atrit ismore-readily lnembem'i islliit ecuredgto 1 ej1i pci tii1g" i-nCQHb-l'OllBhhSO that PIGSSH'QGS ,ine mbgr;;a peml)eh sleeve 85 v-may beiaprpliedwto;the-cylindem- 1f, 5how- -and adapted; to eixpand .in to cpntact' with eweialitdfis -required tha,t;.a2 locking act-ion the idly mounted meinbeigl an operating takeplace-whiehnnay be instantljwmeleased, e b r engagih'g g-saidi lexp anisible member -flzhe'li-quiid medium will: be-found more-servand arranged for right ine moyg iient vitli' .iceable; 1; l u .inithq'xgheelat an.anglegf substantially'45 0 40 Itiis'wtw he understoodthatf the number degrees with,--1=e'spect;v,t0,,a -adi'al ltliifough -o=cylinders,.a9 :ElHdnCl'lltGh members may be the point of application ofithe; force jaiid ,ava ried: accordingto the power-the-aapbaretlis: means for; directing fluid {mdeq -gg is designed ito transmiti 14.- againstsaid-Lopenating-Jileuiher to actuate it? I Hating thus fully describedmy invenestimony: ,t-ha-t vl claiintl1ejo1'egoing95 tion,'avhat I-elaim1s:-; a I as my own,Lhamheretoa fxed iny signa 1. An apparituf's-of tllile i:la(sis1.-descrihed, ,tu're inthe presence pftwdjtitnes'ees. -::=comprisin he s :1. t a'w y mounted 1 (1 thereon; iiieans foiwpreventingthelongitu- SEAR 'd-iinalehifliing-of the wheel. with-,respectito twitnesse s51; -v H the "sha;ft ,-"a-sleeve member-rigidlyisecured. uLawneNcn IQ. ;BLACJMAN,

- --to-thei'said shaft, resilient arms carried by j' A HUR J iHojti n.

aie-paefiifig joint-21."Thethrott fe enema for i ighe-liihe" movement in 5-5 ough 

